231:
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41:
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issued for the later production model. Further tests by the US Army at Eglin Field, Florida proved it also useful as carrier for both supplies and men. In 1948 the US Army purchased a small number of these test vehicles with the designation the 'Jungle Burden
Carrier' for evaluation in jungle warfare and with airborne forces.
422:
All Mules had three-speed manual, non-synchromesh transmissions with two-speed transfer cases, and were four-wheel drive vehicles. All Mules except the A5 variants had four-wheel steering. Only the A5 variants had electric ignition as standard. They had no suspension aside from the low-pressure tires
357:
The driver's seat could be removed and the steering column moved forward and the vehicle driven in reverse to accommodate more cargo. If under fire the steering column could be moved further forward and down, so the operator could operate the vehicle while crawling behind it. They were phased out
344:
as a medical evacuation litter carrier from areas and terrain that would be a problem for the standard light vehicle of the period (the Jeep) to access. U.S. Patent 2457400 for the original design was applied for on
December 2, 1944 and issued on December 28, 1948. No patent appears to have been
353:
and in other U.S. military operations until the 1980s. As a completely open and exposed vehicle, they offered absolutely no protection to the driver, yet that was relatively unimportant as they were mainly used as cargo carriers and medium-range infantry support vehicles, rather than tactical
377:
The M274 Mules were often outfitted with a wide array of weaponry, especially in the
Vietnam War. They could be modified to carry virtually any type of conventional weapon that could be mounted on a truck. Most commonly, the M274 was outfitted with:
348:
There were 11,240 Mules produced between their introduction and 1970, when production ceased. They were used throughout as platforms for various weapons systems and for carrying men, supplies, and weaponry/ammunition during the
426:
The lower speeds and high power (14 hp or 10 kW) of the Mule made it a versatile off-road vehicle. It could climb over logs, go up steep slopes, and cross rivers in first gear.
672:
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series) in airborne and infantry battalions. The M274 evolved from improvements to a vehicle designed at the end of World War Two by
1058:
776:
555:
536:
408:
The M274 Mules were all powered by internal-combustion gasoline engines. The variants of the M274 with respective powerplants were:
362:
series vehicles. The HMMWV was, however, unable to fulfill the role of the Mule, so the M-Gator, a military variant of the popular
930:
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793:
788:
965:
920:
625:
869:
864:
461:
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High range First – 7 mph (11 km/h) Second – 18 mph (29 km/h) Third – 25 mph (40 km/h)
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504:
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Low range First – 1 mph (1.6 km/h) Second – 4 mph (6.4 km/h) Third – 9 mph (14 km/h)
937:
584:
230:
947:
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503:. Washington, DC: United States National Aeronautics and Space Administration. p. 29. Archived from
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97:
40:
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1008:
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Vehicle
Lunarization Study, U.S. Army M-274 'Mule' Vehicle. Volume 2, Part 1: Technical Discussion
238:
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Vehicle lunarization study, US Army M-274 'Mule' vehicle. Volume 2, part 1: Technical discussion
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551:
532:
1109:
957:
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716:
366:
224:
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294:", is a 4-wheel drive, gasoline-powered truck/tractor type vehicle that can carry up to
304:
short ton (0.45 tonnes) off-road. It was introduced in 1956 and used until the 1980s.
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71:
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Vehicle lunarization study, US Army M-274 'Mule' vehicle. Volume 2, part 2: Appendix
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M274 A2 to A5 – two-cylinder
Continental-Hercules four-cycle, air-cooled
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86:
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from military usage in the 1980s with the introduction of the
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The M274 Mule was introduced in 1956 to supplement both the
336:-short-ton (0.68-tonne) trucks (Weapons Carrier Series and
208:
620:
96:
Willys, Bowen Mc
Laughlin York, Baifield Industries,
531:(3rd ed.). Victory WWII Pub. pp. 235–237.
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1140:List of soft-skinned vehicles of the US military
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260:U.S. Military M274 Truck, Platform, Utility,
8:
567:The World Encyclopedia of Military Vehicles
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673:
659:
651:
548:Standard catalog of U.S. Military Vehicles
18:
1169:Military vehicles introduced in the 1950s
415:M274 A1 – four-cylinder Willys four-cycle
237:
234:Loaded M274 with steering column lowered
550:. Krause Publications. pp. 51–54.
472:(5). Bonnier Corporation: 122. May 1948
453:
1131:Military vehicles of the United States
412:M274 – four-cylinder Willys four-cycle
272:or "Carrier, Light Weapons, Infantry,
7:
1159:Military trucks of the United States
492:United States Army Materiel Command
875:Family of Medium Tactical Vehicles
404:Powerplant, drivetrain, and speeds
383:M60 7.62mm NATO light machine guns
14:
1059:Ranger Special Operations Vehicle
322:-short-ton (0.23-tonne) trucks ("
1134:
1126:
1125:
647:at U.S. Veterans Memorial Museum
39:
621:Bill Watson's M274 Mule website
23:M274 Truck, Platform, Utility,
994:AM General / Freightliner M915
631:vehicle from which M27 evolved
616:Olive-Drab website on the M274
282:ton, 4x4", also known as the "
191:8 US gal (30 L)
63:ton (454kg) 4x4 platform truck
1:
722:Willys M274 "Mechanical Mule"
589:US Army Transportation Museum
569:. Lorenz Books. p. 225.
398:TOW anti-tank missile systems
388:M2HB .50 Caliber machine guns
627:"Jungle Buggy Packs A Load"
529:US Military Wheeled Vehicles
393:M40 106 mm recoilless rifles
629:, May 1948, Popular Science
462:"Jungle Buggy Packs A Load"
203:108 mi (173.8 km)
1185:
213:25 mph (40 km/h)
175:3 spd. x 2 range trf. case
1123:
885:General Dynamics Flyer 72
814:General Dynamics Flyer 60
527:Crismon, Fred W. (2001).
369:vehicle, was introduced.
156:
136:118 in (3.00 m)
128:795 lb (361 kg)
68:Place of origin
38:
152:50 in (1.27 m)
144:50 in (1.27 m)
1021:tractors & carriers
1009:I.H. M39 / M52 and M246
916:Caterpillar M520 "Goer"
777:Ground Mobility Vehicle
423:and the seat cushions.
183:Low pressure tires only
167:16 hp (12 kW)
115:M274 A1, A2, A3, A4, A5
16:American military truck
999:AM General M931 / M932
255:
242:In service during the
235:
227:
1028:M8 high-speed tractor
685:introduced after 1945
683:soft-skinned vehicles
546:Doyle, David (2003).
246:for maintenance of a
241:
233:
222:
1102:All-terrain vehicles
225:M40 recoilless rifle
45:M274 Mechanical Mule
1074:Amphibious vehicles
1052:Specialist vehicles
1110:John Deere M-Gator
565:Ware, Pat (2010).
256:
236:
228:
188:Fuel capacity
78:Production history
1164:Off-road vehicles
1146:
1145:
1115:Polaris MRZR-(D)2
958:Tank transporters
909:8–16.5 ton trucks
890:International M39
789:Chevrolet CUCV II
732:Willys MD / M38A1
585:"Mechanical Mule"
576:978-0-7548-2052-9
217:
216:
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1138:
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857:
856:
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829:Kaiser Jeep M715
804:Dodge M880s CUCV
772:AM General HMMWV
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717:M422 Mighty Mite
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931:M1120 HEMTT LHS
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870:AM General M939
865:AM General M809
854:
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727:Willys MC / M38
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292:Mechanical Mule
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165:Willys AO4-4-53
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986:Tractor trucks
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839:HDT Storm SRTV
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824:GM Defence ISV
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794:Chevrolet LSSV
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605:External links
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494:(April 1966).
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976:Oshkosh M1070
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926:Oshkosh HEMTT
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858:–7 ton trucks
846:
840:
837:
835:
834:M1161 Growler
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822:
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819:GM M1009 CUCV
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591:. 15 May 2013
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557:0-87349-508-X
553:
549:
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538:0-970056-71-0
534:
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510:on 2010-05-25
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288:Military Mule
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252:Camp Radcliff
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72:United States
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20:
1004:CCC M920 MET
971:Oshkosh M911
943:Oshkosh LVSR
895:Oshkosh MTVR
765:ton vehicles
721:
710:ton vehicles
681:US military
626:
593:. Retrieved
588:
566:
547:
528:
512:. Retrieved
505:the original
496:
486:
476:November 17,
474:. Retrieved
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407:
376:
356:
347:
311:
291:
287:
283:
259:
257:
172:Transmission
93:Manufacturer
948:Oshkosh PLS
938:Oshkosh LVS
737:M151 "MUTT"
351:Vietnam War
244:Vietnam War
197:Operational
1153:Categories
1064:Unimog 419
1038:M116 Husky
595:4 December
514:2021-11-26
448:References
364:John Deere
354:vehicles.
308:Background
223:M274 with
180:Suspension
1043:M973 SUSV
1033:M76 Otter
966:Mack M123
921:Mack M125
880:Ford M656
809:Gama Goat
799:Dodge M43
442:G-numbers
248:Bell UH-1
107:1956-1970
98:Brunswick
33:Ton, 4X4
436:See also
373:Armament
270:Ton, 4X4
112:Variants
104:Produced
83:Designer
1087:LARC-XV
1019:Tracked
900:REO M35
853:⁄
760:⁄
750:⁄
705:⁄
695:⁄
331:⁄
326:") and
317:⁄
299:⁄
290:", or "
277:⁄
265:⁄
58:⁄
28:⁄
1082:LARC-V
645:M274A2
573:
554:
535:
254:, 1966
162:Engine
149:Height
133:Length
87:Willys
782:M1151
508:(PDF)
501:(PDF)
367:Gator
360:HMMWV
324:Jeeps
199:range
141:Width
597:2014
571:ISBN
552:ISBN
533:ISBN
478:2015
286:", "
284:Mule
258:The
125:Mass
51:Type
470:152
338:M37
1155::
755:–1
587:.
468:.
464:.
855:2
851:1
848:2
762:4
758:3
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700:–
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693:1
674:e
667:t
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56:1
30:2
26:1
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